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1SWASP J140747.93-394542.6

June 25, 2012: Dr. Eric Mamajek (Cerro Tololo Interamerican Observatory and University of Rochester) has requested AAVSO observers' assistance in monitoring the young star 1SWASP J140747.93-394542.6 to help determine the eclipse behavior related to a transiting ringed substellar companion.

This observing campaign begins now and continues until further notice. Dr. Mamajek writes: